MANUFACTURING METHOD OF ELECTRODE

• Main Authors: OKUBO SOKICHI, YANAGI TAKUO, UEDA MASASHI
• Format: Patent
• Language: English; Japanese
• Published: 01.02.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide a manufacturing method of an electrode, of which a peeling strength is improved.SOLUTION: A manufacturing method of an electrode, comprises the steps of: manufacturing a first composite material by mixing an activation material and a binder with a dry system; manufacturing a second composite material by mixing the first composite material and a conductive material with the dry system; forming an electrode bonding layer by coating the second composite material to a front surface of a current collector foil; and forming an electrode by compressing the electrode bonding layer.SELECTED DRAWING: Figure 3 【課題】剥離強度が向上した電極の製造方法を提供すること。【解決手段】活物質およびバインダを乾式法で混合することにより、第１複合材料を作製する工程と、前記第１複合材料および導電材を乾式法で混合することにより、第２複合材料を作製する工程と、集電箔の表面に前記第２複合材料を塗布することにより、電極合材層を形成する工程と、前記電極合材層を圧縮することにより、電極を形成する工程と、を備える、電極の製造方法。【選択図】図３